a tibble containing 10 fields including:
- Year
Cohort.
- Surf
Tagger group.
- LL1
The release age of the fish.
- 1
Recapture age 1.
- 2
Recapture age 2.
- 3
Recapture age 3.
- 4
Recapture age 4.
- 5
Recapture age 5.
- 6
Recapture age 6.
- 7
Recapture age 7.
- 8
Recapture age 8.
